This region ______as the costliest place to do business.A、often is referredB、is

游客2025-06-18  1

问题 This region ______as the costliest place to do business.

选项 A、often is referred
B、is often referred
C、is referred often to
D、is often referred to

答案 D

解析 Adverbs of indefinite frequency can appear between the auxiliary and the main verb. Choices (A), (B), and (C) are not appropriate positions for indefinite frequency adverbs.  
转载请注明原文地址:https://tihaiku.com/zcyy/4124431.html
最新回复(0)